Abdelshafi Bekhit, The book title is 'Precalculus Mathematics' 2nd Edition.

Description:

In page number 377 there is a simple example shows how we divide integers in arithmetic. for instance 201/7. The result is 201 = 7.82 + 5.
The authors are: Harley Flanders (Florida tlanic University); and Justin J. (Purdue University).
Saunders College Publishing, Philadelphia.